Photonics lab.

Publications

2015

M. Oya, J. Nishikawa, M. Horie, K. Sato, N. Murakami T. Kotani, S. Kumagai, M. Tamura, Y. Tanaka, T. Kurokawa, "Coronagraph experiment on dark-hole control by speckle area nulling method," Opt. Rev., 22, 5, 736-740 (2015).

N. Jovanovic, F. Martinache, O. Guyon, C. Clergeon, G. Singh, T. Kudo, V. Garrel, K. Newman,D. Doughty, J. Lozi, J. Males, Y. Minowa, Y. Hayano, N. Takato, J. Morino, J. Kuhn, E. Serabyn, B. Norris, P. Tuthill, G. Schworer, P. Stewart, L. Close, E. Huby, G. Perrin, S. Lacour, L. Gauchet, S. Vievard, N. Murakami, F. Oshiyama, N. Baba, T. Matsuo, J. Nishikawa, M. Tamura, O. Lai, F. Marchis, G. Duchene, T. Kotani,J. Woillez, "The Subaru Coronagraphic Extreme Adaptive Optics system: enabling high-contrast imaging on solar-system scales," Publ. Astron. Soc. Pacific, 127, 955, 890-910 (2015).

M. Sakamoto, R. Fukumoto, N. Murakami, R. Morita, K. Oka, "Dispersion Reduction in Generation of High-Order Optical Vortex Using Axially Symmetric Half-Wave Plates," Opt. Rev., 22, 1, 174-178 (2015).

2014

H. Kawahara, N. Murakami, T. Matsuo, T. Kotani, "Spectroscopic Coronagraphy for Planetary Radial Velocimetry of Exoplanets," Astrophys. J. Suppl. Ser., 212, 2, id 27 (10 pp) (2014).

F. Oshiyama, N. Murakami, O. Guyon, F. Martinache, N. Baba, T. Matsuo, J. Nishikawa, M. Tamura, "Central-obscuration removal plates for focal-plane phase-mask coronagraphs with a centrally-obscured telescope," Publ. Astron. Soc. Pacific, 126, 270-279 (2014).

S. Kuwamura, Y. Azuma, N. Miura, F. Tsumuraya, M. Sakamoto, N. Baba, "Multi-frame blind deconvolution applied to diverse shift-and-add images of an astronomical object," Opt. Rev., 21, 9-16 (2014).

2013

J. Nishikawa, N. Murakami, "Unbalanced Nulling Interferometer and Precise Wavefront Control," Opt. Rev., 20, 453-462 (2013).

M. Sakamoto, K. Oka, R. Morita, N. Murakami, "Stable and flexible ring-shaped optical lattice generation by use of axially-symmetric polarization elements," Opt. Lett., 38, 3661-3664 (2013).

N. Miura, A. Oh-ishi, S. Shionoya, K. Watanabe, S. Kuwamura, N. Baba, S. Ueno, K. Ichimoto, "Solar scintillation detection and ranging (SCIDAR) technique for measuring turbulent-layer heights," Monthly Notices of the Royal Astronomical Society, 434, 1205-1219 (2013).

N. Baba, K. Kobayashi, N. Murakami, "Characteristics of lateral-shearing nulling interferometry by use of double Fresnel rhombs," J. Mod. Opt. 60, 452-457 (2013).

N. Murakami, S. Hamaguchi, M. Sakamoto, R. Fukumoto, A. Ise, K. Oka, N. Baba, M. Tamura, "Design and laboratory demonstration of an achromatic vector vortex coronagraph," Opt. Express, 21, 7400-7410 (2013).

2012

H. Kawahara, T. Matsuo, M. Takami, Y. Fujii, T. Kotani, N. Murakami, M. Tamura, O. Guyon, "Can ground-based telescopes detect the Oxygen 1.27 micron absorption feature as a biomarker in exoplanets?," Astrophys. J., 758, 13 (11pp) (2012).

A. Boccaletti, J. Schneider, W. Traub, P.-O. Lagage, D. Stam, R. Gratton, J. Trauger, K. Cahoy, F. Snik, P. Baudoz, R. Galicher, J.-M. Reess, D. Mawet, J.-C. Augereau, J. Patience, M. Kuchner, M. Wyatt, E. Pantin, A.-L. Maire, C. Verinaud, S. Ronayette, D. Dubreuil, M. Min, M. Rodenhuis, D. Mesa, R. Belikov, O. Guyon, M. Tamura, N. Murakami, I. M. Beerer, and SPICES Team, "SPICES: spectro-polarimetric imaging and characterization of exoplanetary systems. From planetary disks to nearby Super Earths," Experimental Astronomy, 34, 355-384 (2012).

M. Kudenov, M. Escuti, N. Hagen, E. L. Dereniak, K. Oka, "Snapshot imaging Mueller matrix polarimeter using polarization gratings," Opt. Lett., 37, 1367-1369 (2012).

2011

N. Baba, K. Kobayashi, Y. Kogoma, and N. Murakami, "Lateral shearing with a pair of double Fresnel rhombs for nulling interferometry," Opt. Lett., 36, 3611-3613 (2011).

M. W. Kudenov, M. J. Escuti, E. L. Dereniak, and K. Oka, "White-light channeled imaging polarimeter using broadband polarization gratings," Appl. Opt., 50, 2283-2293 (2011).

K. Yokochi, N. Murakami, J. Nishikawa, L. Abe, M. Tamura, A. V. Tavrov, M. Takeda, and T. Kurokawa, "Speckle level suppression using an unbalanced nulling interferometer in a high-contrast imaging system," Opt. Express, 19, 4957-4969 (2011).

S. Kuwamura, Y. Yoshinoya, N. Miura, F. Tsumuraya, M. Sakamoto, and N. Baba, "Tomographic implementation of astronomical speckle imaging from bispectra," Opt. Rev. 18, 19-26 (2011).

深津拡也, 岡和彦, 柳和久, "焦点検出式輪郭測定センサを対象とした微細凹凸面による回折像解析," 精密工学会誌, 77, 428-432 (2011).

E. Enya, T. Kotani, K. Haze, K. Ando, T. Nakagawa, H. Matsubara, H. Kataza, T. Wada, M. Kanade, K. Fujiwara, M. Mita, S. Takeuchi, K. Komatsu, S. Sakai, H. Uchida, S. Mikami, T. Yamawaki, T. Miyata, S. Sako, T. Nakamura, K. Asano, T. Yamashita, N. Narita, T. Matsuo, M. Tamura, J. Nishikawa, E. Kokubo, Y. Hayano, S. Oya, M. Fukagawa, H. Shibai, N. Baba, N. Murakami, Y. Itoh, M. Honda, B. Okamoto, S. Ida, M. Takami, L. Abe, O. Guyon, P. Bierden, T. Yamamoto, "The SPICA coronagraphic instrument (SCI) for the study of exoplanets," Advances in Space Research 48, 323-333 (2011).

2010

N. Baba, N. Zubko, H. Shibuya, N. Murakami, "Spectral Reconstruction Method for Exoplanets," J. Mod. Opt., 57, 1803-1807 (2010).

N. Murakami and N. Baba, "Common-path lateral-shearing nulling interferometry with a Savart plate for exoplanet detection," Opt. Lett., 35, 3003-3005 (2010).

N. Murakami, J. Nishikawa, K. Yokochi, M. Tamura, N. Baba, and L. Abe, "Achromatic Eight-Octant Phase-Mask Coronagraph using Photonic Crystal,", Astrophys. J., 714, 772-777 (2010).

N. Murakami, K. Yokochi, J. Nishikawa, M. Tamura, T. Kurokawa, M. Takeda, and N. Baba, "Polarization Interferometric Nulling Coronagraph for High-Contrast Imaging," Appl. Opt., 49, D106 (2010).

T. Somekawa, K. Oka, M. Fujita, "Channeled Spectropolarimetry Using a Coherent White Light Continuum," Opt. Lett., 35, 3811-3813 (2010).

2009

Y. Tokizane, K. Shimatake, Y. Toda, K. Oka, M. Tsubota, S. Tanda, and R. Morita, "Global evaluation of closed-loop electron dynamics in quasi-one-dimensional conductors using polarization vortices," Opt. Express, 17, 24198-24207 (2009).

S. Kuwamura, F. Tsumuraya, M. Sakamoto, N. Miura, and N. Baba, "Deconvolution of background-subtracted shift-and-add image by a modeled point-spread-function," Opt. Rev., 16, 587-593 (2009).

N. Murakami, N. Ohishi, J. Nishikawa, and M. Yoshizawa, "Polarimetric Stellar Interferometry by use of Birefringent Retarders," Appl. Opt., 48, 5774-5781 (2009).

N. Miura, Y. Noto, S. Kato, F. Yokoyama, S. Kuwamura, N. Baba, Y. Hanaoka, S. Nagata, S. Ueno, R. Kitai, K. Ichimoto, and H. Takami, "Solar adaptive optics system using an electromagnetic deformable mirror," Opt. Rev., 16, 558-561 (2009).

H. Okabe, M. Hayakawa, J. Matoba, H. Naito, and K. Oka, "Error-reduced channeled spectroscopic ellipsometer with palm-size sensing head," Rev. Sci. Instrum., 80, 083104 (2009).

N. Zubko, N. Baba, H. Shibuya, and N. Murakami, "A Method to Reconstruct Exoplanetary Spectrum," Opt. Lett., 34, 2432-2434 (2009).

Y. Tokizane, K. Oka, and R. Morita, "Supercontinuum optical vortex pulse generation without spatial or topological-charge dispersion," Opt. Express, 17, 14517-14525 (2009).

K. Yokochi, A. V. Tavrov, J. Nishikawa, N. Murakami, L. Abe, M. Tamura, M. Takeda, and T. Kurokawa, "Achromatic Deep Nulling with Three-Dimensional Sagnac Interferometer," Opt. Lett., 34, 1985-1987 (2009).

E. DeHoog, H. Luo, K. Oka, E. Dereniak, and J. Schwiegerling, "Snapshot polarimeter fundus camera," Appl. Opt., 48, 1663-1667 (2009).

2008

Y. Otani, T. Wakayama, K. Oka, and N. Umeda, "Spectroscopic Mueller matrix polarimeter using four-channeled spectra," Opt. Commun., 281, 5725-5730 (2008).

N. Murakami, R. Uemura, N. Baba, J. Nishikawa, M. Tamura, N. Hashimoto, and L. Abe, "An Eight-Octant Phase-Mask Coronagraph," Publ. Astron. Soc. Pacific, 120, 1112-1118 (2008).

J. Nishikawa, L. Abe, N. Murakami, and T. Kotani, "Precise wavefront correction with an unbalanced nulling interferometer for exo-planet imaging coronagraph," Astron. Astrophys., 489, 1389-1398 (2008).

H. Luo, K. Oka, E. DeHoog, M. Kudenov, J. Schiewgerling, and E. L. Dereniak, "Compact and miniature snapshot imaging polarimeter," Appl. Opt., 47, 4413-4417 (2008).

N. Murakami, R. Uemura, N. Baba, Y. Sato, J. Nishikawa, and M. Tamura, "Four-Quadrant Phase Mask Coronagraph with a Jacquinot-Lyot Stop," Astrophys. J., 677, 1425-1432 (2008).

S. Kuwamura, F. Tsumuraya, N. Miura, and N. Baba, "Image restoration of Io by shift-and-add method and deconvolution," Publ. Astron. Soc. Pacific, 120, 348-357 (2008).

2007

S. Miura, K. Oka, K. Ohkubo, and T. Mohri, "A novel method for the measurement of thermal expansion of thin film using laser scanning confocal microscopy," Journal of JSEM, 7, 78-82 (2007).

N. Zubko, N. Baba, S. Morisaki, and N. Murakami, "Polarization Degree Analysis of Objective Spectrum in Polarization Differential Stellar Coronagraph," Opt. Express, 15, 12189-12196 (2007).

N. Hagen, K. Oka, and E. L. Dereniak, "Snapshot Mueller matrix spectropolarimeter," Opt. Lett., 32, 2100-2102 (2007).

N. Murakami, L. Abe, M. Tamura, and N. Baba, "Common-path spectropolarimetric differential imager using variable channeled spectrum," Astrophys. J., 661, 634-640 (2007).

N. Miura, Y. Noto, S. Kato, S. Kuwamura, N. Baba, Y. Hanaoka, S. Ueno and R. Kitai, "Performance of software-based solar adaptive optics system," Opt. Rev., 14, 159-160 (2007).

H. Okabe, M. Hayakawa, H. Naito, A. Taniguchi, and K. Oka, "Spectroscopic polarimetry using channeled spectroscopic polarization state generator (CSPSG)," Opt. Express, 15, 3093-3109 (2007).

2006

H. Luo, K. Oka, N. Hagen, T. Tkaczyk, and E. L. Dereniak, "Modeling and optimization for a prismatic snapshot imaging polarimeter," Appl. Opt., 45, 8400-8409 (2006).

A. Taniguchi, K. Oka, H. Okabe, and M. Hayakawa, "Stabilization of the channeled spectropolarimeter by self-calibration," Opt. Lett., 31, 3279-3281 (2006).

J. Hamazaki, Y. Mineta, K. Oka, and R. Morita, "Direct observation of Gouy phase shift in a propagating optical vortex," Opt. Express, 14, 8382-8392 (2006).

N. Miura, T. Kobayashi, S. Sakuma, S. Kuwamura, N. Baba, Y. Hanaoka, S. Ueno and R. Kitai, "Solar adaptive optics system based on software control," Opt. Rev., 13, 338-345 (2006).

N. Murakami, N. Baba, Y. Tate, Y. Sato, and M. Tamura, "Polarization differential objective spectroscopy with a nulling coronagraph," Publ. Astron. Soc. Pacific, 118, 774-779 (2006).

L. Abe, N. Murakami, J. Nishikawa, and M. Tamura, "Removal of central obscuration and spider arms effects with beam shaping coronagraphy," Astron. Astrophys., 451, 363-373 (2006).

Y. Sudo, N. Baba, N. Miura, S. Ueno, and R. Kitai, "Application of self-deconvolution method to shift-and-add solar imaging," Appl. Opt., 45, 2707-2710 (2006).

H. T. Luo, T. Tkaczyk, E. L. Dereniak, K. Oka, and R. Sampson, "High birefringence of the yttrium vanadate crystal in the middle wavelength infrared," Opt. Lett., 31, 616-618 (2006).

2005

N. Miura, K. Itagaki, and N. Baba, "Likelihood-based method for detecting faint moving objects," Astron. J., 130, 1278-1285 (2005).

Y. Sudo and N. Baba, "Self-deconvolution for shift-and-add imaging," Opt. Lett., 30, 1309-1311 (2005). Erratum: ibid 30, 2381 (2005).

J. Nishikawa, T. Kotani, N. Murakami, N. Baba, Y. Itoh, and M. Tamura, "Combination of nulling interferometer and modified pupil for observations of exo-planets," Astron. Astrophys., 435, 379-384 (2005).

N. Murakami and N. Baba, "Pupil-remapping mirrors for a four-quadrant phase mask coronagraph," Publ. Astron. Soc. Pacific, 117, 295-299 (2005).